return {
    id = 2,
    x1 = {key='key2',text="def"},
    x2 = {
        a = 2,
        b = 3,
        c = "efg",
    },
    x3 = {
        x = 4,
        y = 5,
        z = 6,
    },
    x4 = {
        {
            x = 1,
            y = 2,
            z = 3,
        },
    },
    x5 = {
        {
            a = 10,
            b = 20,
            c = "aaa",
        },
    },
    x6 = {
        {
            a = 10,
            b = 20,
            c = "aaa",
        },
        {
            a = 11,
            b = 22,
            c = "bbb",
        },
        {
            a = 12,
            b = 33,
            c = "ccc",
        },
    },
}